/**
 * Common Diseases — Frontend CSS
 *
 * Microsoft Fluent UI–inspired design for the public-facing
 * disease display: hero, tabs, card grid, badges.
 *
 * @package Nexus\Modules\CommonDiseases
 * @since   1.0.0
 */

/* ─────────────────────────────────────────────
 *  Design Tokens
 * ───────────────────────────────────────────── */

:root {
    --ncd-font:            -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --ncd-color-bg:        #f5f5f5;
    --ncd-color-surface:   #ffffff;
    --ncd-color-border:    #e1e1e1;
    --ncd-color-text:      #242424;
    --ncd-color-text-sec:  #616161;
    --ncd-color-accent:    #0078d4;
    --ncd-color-accent-bg: rgba(0, 120, 212, 0.06);
    --ncd-radius:          8px;
    --ncd-radius-sm:       4px;
    --ncd-shadow-card:     0 2px 6px rgba(0, 0, 0, 0.06);
    --ncd-shadow-hover:    0 4px 14px rgba(0, 0, 0, 0.1);
    --ncd-transition:      200ms cubic-bezier(0.4, 0, 0.2, 1);
    --ncd-max-width:       1200px;
}

/* ─────────────────────────────────────────────
 *  Single Wrapper
 * ───────────────────────────────────────────── */

.ncd-single {
    font-family: var(--ncd-font);
    color: var(--ncd-color-text);
    line-height: 1.6;
}

/* ─────────────────────────────────────────────
 *  Hero Section
 * ───────────────────────────────────────────── */

.ncd-hero {
    background: var(--ncd-color-surface);
    padding: 64px 24px;
    border-bottom: 1px solid var(--ncd-color-border);
}

.ncd-hero__inner {
    max-width: var(--ncd-max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.ncd-hero__icon {
    width: 56px;
    height: 56px;
    margin-bottom: 16px;
    border-radius: 12px;
    overflow: hidden;
    background: var(--ncd-color-accent-bg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.ncd-hero__icon img {
    max-width: 40px;
    max-height: 40px;
    object-fit: contain;
}

.ncd-hero__title {
    font-size: 36px;
    font-weight: 700;
    line-height: 1.2;
    margin: 0 0 16px;
    color: var(--ncd-color-text);
}

.ncd-hero__desc {
    font-size: 18px;
    color: var(--ncd-color-text-sec);
    margin: 0;
    max-width: 560px;
}

.ncd-hero__image {
    border-radius: var(--ncd-radius);
    overflow: hidden;
    box-shadow: var(--ncd-shadow-card);
}

.ncd-hero__image img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: cover;
}

/* ─────────────────────────────────────────────
 *  Tab Navigation
 * ───────────────────────────────────────────── */

.ncd-content {
    max-width: var(--ncd-max-width);
    margin: 0 auto;
    padding: 48px 24px 64px;
}

.ncd-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    border-bottom: 2px solid var(--ncd-color-border);
    margin-bottom: 32px;
}

.ncd-tabs__btn {
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    padding: 12px 20px;
    font-family: var(--ncd-font);
    font-size: 15px;
    font-weight: 600;
    color: var(--ncd-color-text-sec);
    cursor: pointer;
    transition: color var(--ncd-transition), border-color var(--ncd-transition), background var(--ncd-transition);
    border-radius: var(--ncd-radius-sm) var(--ncd-radius-sm) 0 0;
    white-space: nowrap;
}

.ncd-tabs__btn:hover {
    color: var(--ncd-color-accent);
    background: var(--ncd-color-accent-bg);
}

.ncd-tabs__btn--active,
.ncd-tabs__btn[aria-selected="true"] {
    color: var(--ncd-color-accent);
    border-bottom-color: var(--ncd-color-accent);
}

.ncd-tabs__btn:focus-visible {
    outline: 2px solid var(--ncd-color-accent);
    outline-offset: -2px;
    border-radius: var(--ncd-radius-sm);
}

/* ─────────────────────────────────────────────
 *  Panels
 * ───────────────────────────────────────────── */

.ncd-panel {
    animation: ncdPanelIn 250ms ease;
}

.ncd-panel[hidden] {
    display: none;
}

@keyframes ncdPanelIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ─────────────────────────────────────────────
 *  Panel Grid: Image + Cards
 * ───────────────────────────────────────────── */

.ncd-panel__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

.ncd-panel__grid:has(.ncd-panel__image) {
    grid-template-columns: 300px 1fr;
}

.ncd-panel__image {
    border-radius: var(--ncd-radius);
    overflow: hidden;
    box-shadow: var(--ncd-shadow-card);
    align-self: start;
    position: sticky;
    top: 32px;
}

.ncd-panel__image img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: cover;
}

/* ─────────────────────────────────────────────
 *  Cards
 * ───────────────────────────────────────────── */

.ncd-panel__cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.ncd-card {
    background: var(--ncd-color-surface);
    border: 1px solid var(--ncd-color-border);
    border-radius: var(--ncd-radius);
    padding: 24px;
    box-shadow: var(--ncd-shadow-card);
    transition: box-shadow var(--ncd-transition), transform var(--ncd-transition);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ncd-card:hover {
    box-shadow: var(--ncd-shadow-hover);
    transform: translateY(-2px);
}

.ncd-card__icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: var(--ncd-color-accent-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.ncd-card__icon img {
    max-width: 28px;
    max-height: 28px;
    object-fit: contain;
}

.ncd-card__title {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
    color: var(--ncd-color-text);
}

.ncd-card__desc {
    font-size: 14px;
    color: var(--ncd-color-text-sec);
    margin: 0;
    line-height: 1.55;
}

/* ─────────────────────────────────────────────
 *  Badges
 * ───────────────────────────────────────────── */

.ncd-card__badge {
    display: inline-block;
    padding: 3px 10px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 12px;
    line-height: 1.5;
    text-transform: capitalize;
    background: var(--ncd-color-accent-bg);
    color: var(--ncd-color-accent);
    align-self: flex-start;
}

.ncd-card__badge--lifestyle { background: #e8f5e9; color: #2e7d32; }
.ncd-card__badge--viral     { background: #fce4ec; color: #c62828; }
.ncd-card__badge--genetic   { background: #e3f2fd; color: #1565c0; }
.ncd-card__badge--metabolic { background: #fff3e0; color: #e65100; }
.ncd-card__badge--medicine  { background: #e8eaf6; color: #283593; }
.ncd-card__badge--procedure { background: #f3e5f5; color: #6a1b9a; }
.ncd-card__badge--surgery   { background: #fce4ec; color: #880e4f; }

/* ─────────────────────────────────────────────
 *  Meta & CTA
 * ───────────────────────────────────────────── */

.ncd-card__meta {
    font-size: 12px;
    color: var(--ncd-color-text-sec);
}

.ncd-card__cta {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 600;
    color: #ffffff;
    background: var(--ncd-color-accent);
    border-radius: var(--ncd-radius-sm);
    text-decoration: none;
    transition: background var(--ncd-transition);
    align-self: flex-start;
    margin-top: 4px;
}

.ncd-card__cta:hover {
    background: #106ebe;
    color: #ffffff;
    text-decoration: none;
}

/* ─────────────────────────────────────────────
 *  Placeholder Image
 * ───────────────────────────────────────────── */

.ncd-img--placeholder {
    opacity: 0.5;
    max-width: 100%;
    height: auto;
}

/* ─────────────────────────────────────────────
 *  Responsive
 * ───────────────────────────────────────────── */

@media (max-width: 768px) {
    .ncd-hero__inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .ncd-hero__title {
        font-size: 28px;
    }

    .ncd-hero__desc {
        font-size: 16px;
    }

    .ncd-hero {
        padding: 40px 16px;
    }

    .ncd-content {
        padding: 32px 16px 48px;
    }

    .ncd-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .ncd-tabs::-webkit-scrollbar {
        display: none;
    }

    .ncd-tabs__btn {
        padding: 10px 16px;
        font-size: 14px;
    }

    .ncd-panel__grid,
    .ncd-panel__grid:has(.ncd-panel__image) {
        grid-template-columns: 1fr;
    }

    .ncd-panel__image {
        position: static;
    }

    .ncd-panel__cards {
        grid-template-columns: 1fr;
    }

    .ncd-card {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .ncd-hero__title {
        font-size: 24px;
    }

    .ncd-tabs__btn {
        padding: 8px 12px;
        font-size: 13px;
    }
}

/* ═════════════════════════════════════════════
 *  ARCHIVE PAGE
 * ═════════════════════════════════════════════ */

/* ─────────────────────────────────────────────
 *  Archive Header
 * ───────────────────────────────────────────── */

.ncd-archive {
    font-family: var(--ncd-font);
    color: var(--ncd-color-text);
    line-height: 1.6;
    max-width: var(--ncd-max-width);
    margin: 0 auto;
    padding: 48px 24px 64px;
}

.ncd-archive__header {
    text-align: center;
    margin-bottom: 40px;
}

.ncd-archive__title {
    font-size: 32px;
    font-weight: 700;
    margin: 0 0 12px;
    color: var(--ncd-color-text);
}

.ncd-archive__subtitle {
    font-size: 16px;
    color: var(--ncd-color-text-sec);
    margin: 0 0 28px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ─────────────────────────────────────────────
 *  Search Bar
 * ───────────────────────────────────────────── */

.ncd-archive__search {
    position: relative;
    max-width: 480px;
    margin: 0 auto;
}

.ncd-archive__search-input {
    width: 100%;
    padding: 12px 16px 12px 48px !important;
    font-size: 15px;
    font-family: var(--ncd-font);
    color: var(--ncd-color-text);
    background: var(--ncd-color-surface);
    border: 1px solid var(--ncd-color-border);
    border-radius: var(--ncd-radius);
    transition: border-color var(--ncd-transition), box-shadow var(--ncd-transition);
    box-sizing: border-box;
    text-indent: 0;
}

.ncd-archive__search-input:focus {
    outline: none;
    border-color: var(--ncd-color-accent);
    box-shadow: 0 0 0 2px rgba(0, 120, 212, 0.15);
}

.ncd-archive__search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--ncd-color-text-sec);
    pointer-events: none;
    z-index: 1;
}

/* ─────────────────────────────────────────────
 *  Grid
 * ───────────────────────────────────────────── */

.ncd-archive__grid {
    display: grid;
    gap: 24px;
}

.ncd-archive__grid--cols-2 { grid-template-columns: repeat(2, 1fr); }
.ncd-archive__grid--cols-3 { grid-template-columns: repeat(3, 1fr); }
.ncd-archive__grid--cols-4 { grid-template-columns: repeat(4, 1fr); }

/* ─────────────────────────────────────────────
 *  Archive Card
 * ───────────────────────────────────────────── */

.ncd-archive-card {
    background: var(--ncd-color-surface);
    border: 1px solid var(--ncd-color-border);
    border-radius: var(--ncd-radius);
    overflow: hidden;
    box-shadow: var(--ncd-shadow-card);
    transition: box-shadow var(--ncd-transition), transform var(--ncd-transition);
    display: flex;
    flex-direction: column;
}

.ncd-archive-card:hover {
    box-shadow: var(--ncd-shadow-hover);
    transform: translateY(-3px);
}

.ncd-archive-card__link {
    display: flex;
    flex-direction: column;
    height: 100%;
    text-decoration: none;
    color: inherit;
}

.ncd-archive-card__link:hover,
.ncd-archive-card__link:focus {
    text-decoration: none;
    color: inherit;
}

.ncd-archive-card__link:focus-visible {
    outline: 2px solid var(--ncd-color-accent);
    outline-offset: -2px;
    border-radius: var(--ncd-radius);
}

/* Image */
.ncd-archive-card__image {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: #f0f0f0;
}

.ncd-archive-card__img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 400ms ease;
}

.ncd-archive-card:hover .ncd-archive-card__img {
    transform: scale(1.04);
}

.ncd-archive-card__placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f0f4f8, #e3e8ee);
    color: #b0b8c4;
}

.ncd-archive-card__placeholder img {
    max-width: 56px;
    max-height: 56px;
    object-fit: contain;
    opacity: 0.7;
}

/* Body */
.ncd-archive-card__body {
    padding: 20px 24px 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.ncd-archive-card__icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    overflow: hidden;
    background: var(--ncd-color-accent-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ncd-archive-card__icon img {
    max-width: 24px;
    max-height: 24px;
    object-fit: contain;
}

.ncd-archive-card__title {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
    color: var(--ncd-color-text);
    line-height: 1.3;
}

.ncd-archive-card__desc {
    font-size: 14px;
    color: var(--ncd-color-text-sec);
    margin: 0;
    line-height: 1.55;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.ncd-archive-card__meta {
    margin-top: auto;
    padding-top: 4px;
}

.ncd-archive-card__sections {
    font-size: 12px;
    color: var(--ncd-color-text-sec);
    background: #f5f5f5;
    padding: 2px 10px;
    border-radius: 12px;
    display: inline-block;
}

.ncd-archive-card__cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--ncd-color-accent);
    margin-top: 4px;
    transition: gap var(--ncd-transition);
}

.ncd-archive-card:hover .ncd-archive-card__cta {
    gap: 10px;
}

/* Hidden (search) */
.ncd-archive-card[hidden] {
    display: none;
}

/* ─────────────────────────────────────────────
 *  No Results
 * ───────────────────────────────────────────── */

.ncd-archive__no-results {
    text-align: center;
    padding: 48px 24px;
    color: var(--ncd-color-text-sec);
    font-size: 15px;
}

.ncd-archive__no-results[hidden] {
    display: none;
}

.ncd-archive-empty {
    text-align: center;
    padding: 60px 24px;
    font-family: var(--ncd-font);
    color: var(--ncd-color-text-sec);
    font-size: 16px;
}

/* ─────────────────────────────────────────────
 *  Pagination
 * ───────────────────────────────────────────── */

.ncd-archive__pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.ncd-archive__pagination a,
.ncd-archive__pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 8px;
    font-size: 14px;
    font-weight: 500;
    font-family: var(--ncd-font);
    text-decoration: none;
    border: 1px solid var(--ncd-color-border);
    border-radius: var(--ncd-radius-sm);
    color: var(--ncd-color-text);
    background: var(--ncd-color-surface);
    transition: all var(--ncd-transition);
}

.ncd-archive__pagination a:hover {
    background: var(--ncd-color-accent-bg);
    border-color: var(--ncd-color-accent);
    color: var(--ncd-color-accent);
    text-decoration: none;
}

.ncd-archive__pagination .current {
    background: var(--ncd-color-accent);
    border-color: var(--ncd-color-accent);
    color: #ffffff;
}

.ncd-archive__pagination .dots {
    border: none;
    background: none;
    color: var(--ncd-color-text-sec);
}

.ncd-archive__pagination .prev,
.ncd-archive__pagination .next {
    padding: 0 6px;
}

/* ─────────────────────────────────────────────
 *  Archive Responsive
 * ───────────────────────────────────────────── */

@media (max-width: 1024px) {
    .ncd-archive__grid--cols-4 {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .ncd-archive {
        padding: 32px 16px 48px;
    }

    .ncd-archive__title {
        font-size: 26px;
    }

    .ncd-archive__grid--cols-3,
    .ncd-archive__grid--cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .ncd-archive-card__body {
        padding: 16px 20px 20px;
    }
}

@media (max-width: 540px) {
    .ncd-archive__grid--cols-2,
    .ncd-archive__grid--cols-3,
    .ncd-archive__grid--cols-4 {
        grid-template-columns: 1fr;
    }

    .ncd-archive__title {
        font-size: 22px;
    }

    .ncd-archive__search-input {
        font-size: 14px;
        padding: 10px 14px 10px 40px;
    }
}